CMS Made Simple up to 2.2.9 Watermark class.showtime2_image.php Image File unrestricted upload

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in CMS Made Simple up to 2.2.9 and classified as critical. This issue affects some unknown processing of the file class.showtime2_image.php of the component Watermark Handler. This manipulation as part of Image File causes unrestricted upload. This vulnerability is registered as CVE-2019-9692. Remote exploitation of the attack is possible. Furthermore, an exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in CMS Made Simple up to 2.2.9 (Content Management System) and classified as critical. Affected by this vulnerability is an unknown part of the file class.showtime2_image.php of the component Watermark Handler. The manipulation as part of a Image File leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect integrity. The summary by CVE is:

class.showtime2_image.php in CMS Made Simple (CMSMS) before 2.2.10 does not ensure that a watermark file has a standard image file extension (GIF, JPG, JPEG, or PNG).

The bug was discovered 03/06/2019. The weakness was published 03/11/2019 (Website). It is possible to read the advisory at exploit-db.com. This vulnerability is known as CVE-2019-9692 since 03/11/2019. The exploitation appears to be easy. The attack can be launched remotely. A single authentication is necessary for exploitation. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1608.002 according to MITRE ATT&CK.

A public exploit has been developed by Daniele Scanu in Python and been published 4 days after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:class.showtime2_image.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 2.2.10 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (46546). Similar entry is available at VDB-131576. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Author: Daniele Scanu
Programming Language: 🔍
Download: 🔍
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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MetaSploit ID: exploit/multi/http/cmsms_showtime2_rce
MetaSploit Name: CMS Made Simple (CMSMS) Showtime2 File Upload RCE

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Upgrade: CMS Made Simple 2.2.10

Timelineinfo

03/06/2019 🔍
03/11/2019 +5 days 🔍
03/11/2019 +0 days 🔍
03/12/2019 +1 days 🔍
03/15/2019 +2 days 🔍
03/15/2019 +0 days 🔍
08/25/2024 +1990 days 🔍

Sourcesinfo

Advisory: 152269
Status: Not defined

CVE: CVE-2019-9692 (🔍)
GCVE (CVE): GCVE-0-2019-9692
GCVE (VulDB): GCVE-100-131575
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/12/2019 07:17
Updated: 08/25/2024 17:46
Changes: 03/12/2019 07:17 (69), 05/23/2020 16:58 (1), 07/31/2023 14:34 (4), 08/25/2024 17:43 (2), 08/25/2024 17:46 (15)
Complete: 🔍
Committer: misc
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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